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Beilstein J. Org. Chem. 2020, 16, 1974–1982, doi:10.3762/bjoc.16.164
Graphical Abstract
Figure 1: Biologically active compounds featuring the chroman-4-one framework.
Scheme 1: Methods to produce phosphonate-substituted chroman-4-ones.
Figure 2: X-ray structure of compound 3aa (CCDC 2002878).
Scheme 2: Scope of 2-(allyloxy)arylaldehydes. Reaction conditions: 1 (0.3 mmol, 1 equiv), 2a (1.5 equiv) [2f ...
Scheme 3: Scope of diphenylphosphine oxides. Reaction conditions: 1a (0.3 mmol, 1 equiv), 2 (1.5 equiv), DMSO...
Scheme 4: Gram-scale reaction.
Scheme 5: Control experiments and proposed mechanism.
Beilstein J. Org. Chem. 2013, 9, 983–990, doi:10.3762/bjoc.9.113
Scheme 1: Biogenetic origin of Vinca alkaloids.
Scheme 2: Synthetic strategy for velbanamine based on chemoselective dioxygenation.
Scheme 3: Intramolecular oxyamidation of alkene 11 with phenyliodine(III)-bis(trifluoroacetate) (PIFA) by Tel...
Scheme 4: Copper-catalyzed amination of aryliodide.
Scheme 5: Revised PIFA-promoted cyclization of amide 11.
Scheme 6: PIFA-promoted cyclization to synthesize lactone.
Figure 1: Hydrolysis of iminolactone 18 under basic conditions.
Scheme 7: “Stop-and-flow” strategy for the stepwise dioxygenation of alkenes.
Scheme 8: “Stop-and-flow” strategy for the construction of γ-lactone derivatives.